2013905868 has 24 divisors (see below), whose sum is σ = 5060584368. Its totient is φ = 619663296.

The previous prime is 2013905863. The next prime is 2013905869. The reversal of 2013905868 is 8685093102.

It is not an unprimeable number, because it can be changed into a prime (2013905863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6454671 + ... + 6454982.

It is an arithmetic number, because the mean of its divisors is an integer number (210857682).

Almost surely, 2^2013905868 is an apocalyptic number.

It is an amenable number.

2013905868 is an abundant number, since it is smaller than the sum of its proper divisors (3046678500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2013905868 is a wasteful number, since it uses less digits than its factorization.

2013905868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12909673 (or 12909671 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 2013905868 is about 44876.5625688956. The cubic root of 2013905868 is about 1262.8343575810.

The spelling of 2013905868 in words is "two billion, thirteen million, nine hundred five thousand, eight hundred sixty-eight".